Respuesta :

9514 1404 393

Answer:

  C.  1

Step-by-step explanation:

The lateral area is given by the formula ...

  LA = 2πrh

Filling in the given values, you have ...

  8π = 2π·r·4

  1 = r . . . . . . . . divide by the coefficient of r

The radius of the cylinder is 1 foot.